Datadog vs Uptime Kuma
Datadog and Uptime Kuma are both monitoring and observability software. Datadog is a commercial product from Datadog, Inc. Uptime Kuma is open source under MIT, with 93k GitHub stars.
Which to pick
- Pick Datadog when
- An engineering organisation wants every observability signal in one well-integrated product and has the budget.
- Pick Uptime Kuma when
- You want an easy, UptimeRobot-style monitor on your own server for a homelab or small business.
Side by side
Cloud monitoring and observability for infrastructure metrics, APM traces, logs, real user monitoring, security and more, in one SaaS.
A self-hosted monitoring tool that checks HTTP, TCP, ping, DNS, Docker and more, sends alerts through 90+ notification services and publishes status pages.
Bills grow quickly and unpredictably with hosts, logs and custom metrics.
Single-instance design, so it does not monitor from multiple locations or scale to very large numbers of checks.
Production-ready (both)
Cloud service
Self-hosted server
Go
JavaScript, Vue, Node.js, SQLite and Socket.IO
Closed source, sold by Datadog, Inc.
Open source, MIT (permissive)
Closed source: you use it under the maker's terms and cannot change or resell the code.
You can build it into a product you sell, as long as you keep its copyright notice.
2.4k Wikipedia readers a month on phones
93k GitHub stars
Not known
Established: started 5 years ago, latest release 2.5.9.
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Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.